Tire tread



FIG. 1 is a perspective view of a tire tread showing our design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a fragmentary enlarged front view showing the details of the tread thereof; and,

FIG. 6 is a section view taken along line 6-6 in FIG. 5.

The broken lines are used to show portions of the tire tread that are not being claimed, and thus form no part of the claimed design. 

CLAIM The ornamental design for a tire tread, as shown and described. 